Audi RS4 B8 Headlight Lamp Level Sensor Arm Front Left N/S 8K0941285P

Audi RS4 B8 Headlight Lamp Level Sensor Arm Front Left is a component from the Electronic control modules and controllers group, responsible for the proper operation of the headlight leveling system in conjunction with the suspension. The precision arm mounted on the front left side ensures a stable reading of the body position, which translates into safe and comfortable road illumination.

Specifications and technical data

• SKU: 1TO907503A
• Mark: Audi
• Condition: Used
• OEM Part Number: 1TO907503A
• Substitutable numbers: 1TO907503A, 1TO 907 503 A, 8K0941285P, 8K0 941 285 P
• Location on the vehicle: Front, Left
• Category: ECUs & Computer Modules

Purpose and function in the lighting system

The presented sensor with arm works with the automatic headlight leveling system in Audi, transmitting information about the current body position relative to the road axis to the controller. This allows the headlights to maintain the correct beam angle, reducing the risk of dazzling other road users and improving visibility at night. The vehicle placement specified as Front - left means installation in the front part of the suspension on the driver's side, which is crucial for proper cooperation with the factory headlight leveling system in the Audi RS4 B8.

Benefits of using an original Audi module

The component comes from the Audi OE line, which means maintaining factory operating parameters and full compatibility with the vehicle's electrical installation. In practice, this translates into:

• stable cooperation with the existing headlight leveling controller,
• correct system response to changes in vehicle load,
• no need for wiring or mounting modifications during installation. By maintaining the original geometry of the arm and the correct electrical characteristics of the sensor, the lighting system can operate within the range intended by the vehicle manufacturer.

Condition, verification, and service application

The product is offered as used, which allows for an economical repair of the headlight leveling system while maintaining a component from original Audi production. This type of solution is particularly beneficial when servicing cars after collisions, suspension replacements, or when diagnosing malfunctions of the automatic headlight leveling. The element belongs to the Electronic control modules and controllers group, therefore, before installation, it is recommended to perform a standard check of the vehicle's electrical installation and the correct operation of other lighting system components.

Selection and compatibility in workshop practice

To correctly select the sensor with arm for a specific Audi RS4 B8 configuration, it is worth verifying compatibility by the OEM part number and available replacement numbers. This information is linked to the OEM part number and Replacement numbers parameters, which facilitates work for service centers and automotive stores, minimizing the risk of selecting the wrong component. Additionally, the SKU identifier allows for quick searching of the product in the sales system and linking it to order history or vehicle service documentation. If you are planning a comprehensive repair or upgrade of the lighting control electronics area in your Audi and need other elements from the same group, such as control modules, position sensors, or light controllers, check the available parts in the Audi electronic control modules and controllers category. More practical tips on choosing used modules and sensors can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, where it is discussed what to pay attention to when buying electronics from the secondary market.